Metallurgical Observation of the Buddhist Bell of Youngmoon Mountain Sangwonsa Temple
- Metallurgical Observation of the Buddhist Bell of Youngmoon Mountain Sangwonsa Temple
- 도정만; 박방주; 이정일; 홍경태
- Bell of Yongmoon Mountain Sangwonsa; microstructure; chemical composition; lead isotope ratio; criteria for distinguishing the bells
- Issue Date
- 대한금속 . 재료학회지; Korean journal of metals and materials
- VOL 50, NO 11, 829-838
- The microstructure, chemical composition, and lead isotope ratio of the Buddhist bell of Yongmoon
Mountain Sangwonsa temple, which was selected as one of the three great bells of Korea by Japanese historians, were analyzed in order to estimate the origin of the material and the time of casting. The microstructure of the temple bell was composed of a copper matrix phase with α, a face centered cubit lattice structure, a δ phase with Cu41 (Sn, Ag, Sb)11 as the chemical structural formula, dispersed lead and Cu2S particles, and locally agglomerated fine particles. Through analysis of the chemical composition of the bell, a criterion (Pb: 0-3.0 wt%, Sn: 10-15 wt%) for distinguishing the bells of the Shilla dynasty from the bells of the Koryo · Chosun dynasty is proposed. Examining the lead isotope ratio of 207Pb / 206Pb and 208Pb / 206Pb of the Buddhist bell of Sangwonsa temple proved that the bell was fabricated using raw materials in South Korea, which led to the conclusion that the bell was cast in Korea and the top board of the bell has been damaged by an unknown individual. The criteria of distinguishing the bells from the Shilla dynasty from the bells of the Koryo · Chosun dynasty presented for the first time in this research is expected to aid in identifying and estimating the previously unclear production years of other bells.
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